- New Skill in Swimming-Apart from the principal of water entrainment propulsion, there is also the propulsive lift theory
- New Skill in Swimming-Apart from the principal of water entrainment propulsion, there is also the propulsive lift theory
- {{=it["视频提供者"]}}：中国科协青少年科技中心
- {{=it["视频提供者"]}}：Children and Youth Science Center of CAST
- {{=it["视频有效期"]}}：长期有效
- {{=it["视频有效期"]}}：long term validity
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